Over the past 10 years, David Einhorn returned -32.8% compared to 255.5% for the S&P 500 — underperformed the S&P 500 by 288.4%.
11.6%
S&P 500: 19.7%
46.5%
S&P 500: 76.9%
61.7%
S&P 500: 72.4%
-32.8%
S&P 500: 255.5%